== Why is this an issue? While it is technically correct to assign to parameters from within function bodies, doing so before the parameter value is read is likely a bug. Instead, initial values of parameters should be, if not treated as read-only, then at least read before reassignment. === Noncompliant code example [source,python] ---- def foo(strings, param): param = 1 # NonCompliant ---- ifdef::env-github,rspecator-view[] ''' == Implementation Specification (visible only on this page) include::../message.adoc[] include::../highlighting.adoc[] ''' == Comments And Links (visible only on this page) include::../comments-and-links.adoc[] endif::env-github,rspecator-view[]